90500780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{145969}}^1$

素因数の和:146009

約数の個数: 24

約数和(自身を含む): 196183680

約数和(自身を除く): 105682900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 145969, 291938, 583876, 729845, 1459690, 2919380, 4525039, 9050078, 18100156, 22625195, 45250390, 90500780]

約数ペア:

[(1, 90500780), (2, 45250390), (4, 22625195), (5, 18100156), (10, 9050078), (20, 4525039), (31, 2919380), (62, 1459690), (124, 729845), (155, 583876), (310, 291938), (620, 145969)]